Hector’s Beaked Whale vs slender facelina

Mesoplodon hectori compared with Facelina auriculata

Key Differences

• Hector’s Beaked Whale is Data Deficient while slender facelina is Vulnerable.

Taxonomic Classification

Rank	Hector’s Beaked Whale	slender facelina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Cetacea (Whales & Dolphins)	Nudibranchia (Nudibranchia)
Family	Hyperoodontidae	Facelinidae
Genus	Mesoplodon	Facelina
Species	Mesoplodon hectori	Facelina auriculata

Evolutionary Relationship

Hector’s Beaked Whale and slender facelina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hector’s Beaked Whale

DD — Data Deficient

slender facelina

VU — Vulnerable

Physical Characteristics

Attribute	Hector’s Beaked Whale	slender facelina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hector’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

slender facelina

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.